Product OverviewThe UNI-T UT33+ Series represents a robust, entry-level generation of digital multimeters designed for portability, durability, and ease of use. These "palm-size" meters are widely favored by students, DIY enthusiasts, and field technicians for their reliability in basic electrical troubleshooting. The series features an updated industrial design that includes a protective holster with integrated test lead storage and a 2-meter drop-resistance rating, making them ideal for high-mobility work environments.Model VariationsWhile all models in the series share the same rugged form factor, each is optimized for specific testing needs:UT33A+: Auto-ranging model with a dedicated capacitance measurement function (up to 2mF).UT33B+: Features a specialized battery test function with clear "Good/Low/Bad" status indicators for 1.5V, 9V, and 12V batteries.UT33C+: Equipped with a temperature measurement probe, making it ideal for checking thermal conditions in circuits or equipment.UT33D+: Includes a Non-Contact Voltage (NCV) detection function, allowing for quick, safe identification of live wires without making direct contact.Key FeaturesRugged Design: Built to withstand a 2-meter drop, with a protective rubber holster and an ergonomic grip.Clear Visibility: High-contrast LCD display with manual-on/auto-off backlighting for working in dimly lit panels.Essential Safety: Compliant with IEC 61010 standards (CAT II 600V), featuring high-quality fused protection.Practical Utilities: Includes a loud continuity buzzer, diode testing, and a convenient test lead hanging slot for hands-free storage.Power Efficiency: Powered by 2 x AAA batteries with an automatic power-off feature to preserve energy during inactivity.Technical Specifications (Series Common)FeatureSpecificationMax Display1999 countsSafety RatingCAT II 600VDrop Test2 metersPower Supply2 x 1.5V AAA batteriesRange SelectionManual (except UT33A+ which is Auto-range)Dimensions134 x 77 x 47 mmWeightApprox. 206g (with batteries)SEO KeywordsUNI-T UT33+ Series, Palm Size Multimeter, Entry Level Multimeter, UT33B+ Battery Tester, UT33A+ Auto-ranging Multimeter, Digital Electrical Tester, UNI-T UT33C+ Temperature, UT33D+ NCV Tester, Portable Multimeter, Durable Electrical Meter.Note: The UT33B+ is distinct within the series for its battery testing mode, which applies a load (30Ω for 1.5V, 900Ω for 9V, 600Ω for 12V) to the battery to provide a much more accurate "real-world" status indication compared to a simple open-circuit voltage test.
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